I may shutter you may shutter he may shutter we may shutter you may shutter they may shutter
V-ing form
I may be shuttering you may be shuttering he may be shuttering we may be shuttering you may be shuttering they may be shuttering
Perfect
I may have shuttered you may have shuttered he may have shuttered we may have shuttered you may have shuttered they may have shuttered
V-ing perfect
I may have been shuttering you may have been shuttering he may have been shuttering we may have been shuttering you may have been shuttering they may have been shuttering
Negation
Simple form
I mayn't shutter you mayn't shutter he mayn't shutter we mayn't shutter you mayn't shutter they mayn't shutter
V-ing form
I mayn't be shuttering you mayn't be shuttering he mayn't be shuttering we mayn't be shuttering you mayn't be shuttering they mayn't be shuttering
Perfect
I mayn't have shuttered you mayn't have shuttered he mayn't have shuttered we mayn't have shuttered you mayn't have shuttered they mayn't have shuttered
V-ing perfect
I mayn't have been shuttering you mayn't have been shuttering he mayn't have been shuttering we mayn't have been shuttering you mayn't have been shuttering they mayn't have been shuttering
Interrogative form
Simple form
may I shutter? may you shutter? may he shutter? may we shutter? may you shutter? may they shutter?
V-ing form
may I be shuttering? may you be shuttering? may he be shuttering? may we be shuttering? may you be shuttering? may they be shuttering?
Perfect
may I have shuttered? may you have shuttered? may he have shuttered? may we have shuttered? may you have shuttered? may they have shuttered?
V-ing perfect
may I have been shuttering? may you have been shuttering? may he have been shuttering? may we have been shuttering? may you have been shuttering? may they have been shuttering?
Interro-negative form
Simple form
mayn't I shutter? mayn't you shutter? mayn't he shutter? mayn't we shutter? mayn't you shutter? mayn't they shutter?
V-ing form
mayn't I be shuttering? mayn't you be shuttering? mayn't he be shuttering? mayn't we be shuttering? mayn't you be shuttering? mayn't they be shuttering?
Perfect
mayn't I have shuttered? mayn't you have shuttered? mayn't he have shuttered? mayn't we have shuttered? mayn't you have shuttered? mayn't they have shuttered?
V-ing perfect
mayn't I have been shuttering? mayn't you have been shuttering? mayn't he have been shuttering? mayn't we have been shuttering? mayn't you have been shuttering? mayn't they have been shuttering?